Photos of the day - December 18, 2013

Photos of the day - December 18, 2013

Bolivian squirrel monkeys gets a special treat from their keepers of sultanas and wax worms that were set out on a Christmas tree at London Zoo in London, Wednesday, Dec.18, 2013. London Zoo is the world's oldest scientific zoo. It was opened in London on 27 April 1828, and was originally intended to be used as a collection for scientific study. It was eventually opened to the public in 1847. (AP Photo/Alastair Grant)

Elections in Madagascar, protests in Cairo, fog in India and Christmas scenes from all over the world are just some of the photos of the day for December 18, 2013.